74243800817 has 8 divisors (see below), whose sum is σ = 80439248736. Its totient is φ = 68251482432.

The previous prime is 74243800793. The next prime is 74243800819. The reversal of 74243800817 is 71800834247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74243800817 - 2¹⁰ = 74243799793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74243800819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50781623 + ... + 50783084.

It is an arithmetic number, because the mean of its divisors is an integer number (10054906092).

Almost surely, 2^74243800817 is an apocalyptic number.

It is an amenable number.

74243800817 is a deficient number, since it is larger than the sum of its proper divisors (6195447919).

74243800817 is a wasteful number, since it uses less digits than its factorization.

74243800817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101564767.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 74243800817 in words is "seventy-four billion, two hundred forty-three million, eight hundred thousand, eight hundred seventeen".